This is the nylon washer that goes between the regulator and cylinder.
O-Ring Silicone 11/16" ID x 1" 3/16" OD
Hose Clamp (Stainless Steel)
Neoprene Washer
Tail Piece 3/16" - Chrome Plated
Oetiker Clamp 11.9mm - Set of 2
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